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Acoustics you can touch With ear trumpets, tuning forks, stethoscopes, strings, rubber bands and balloons, you can embark on a journey into the world of acoustics. Did you know that we can not only hear sounds and tones, but also touch, feel and see them? Also ideal for kindergarten or birthday parties. Experimenting together with children from 4-8 years Cardboard box 21.7 x 21.7 x 6.5 cm Weight 500 g
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